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Unformatted text preview: ed platforms shall be
provided with one or more ventilators conforming to the requirements of stage ventilators: Except, that
the total area shall be equal to five percent of the area of the platform. When more than one ventilator is
provided, they shall be so spaced as to provide proper exhaust ventilation. Ventilators shall not be
required for enclosed platforms having a floor area of 45.00 square meters or less.
(g) Stage Exits – At least one exit not less than 900 millimeters wide shall be provided from each
side of the stage opening directly or by means of a passageway not less than 900 millimeters in width to
a street or exit court. An exit stair no less than 750 millimeters wide shall be provided for egress from
each fly gallery. Each tier of dressing rooms shall be provided with at least two means of egress each not
less than 750 millimeters wide and all such stairs shall be constructed in accordance with the
requirement specified in this Code. The stairs required in this Sub-section need not be enclosed.
Section 1214. Motion Picture Projection Rooms
(a) General Requirements – The provisions of this Section shall apply only where ribbon type
motion picture films in excess of 22-millimeter width and electrical projection equipment are used.
Every motion picture machine using ribbon type film in excess of 22 millimeter width and electric arc
projections equipment, together with all electrical devices, rheostats, machines, and all such films
present in any Group C, I, or H Occupancy shall be enclosed in a projection room large enough to
permit the operator to walk freely on either side and back of the machine. (b) Construction – Every projection room shall be of not less than one-hour fire-resistive
construction throughout and the walls and ceiling shall be finished with incombustible materials. The
ceiling shall be not less than 2.40 meters from the finished floor. The room shall have a floor area of not
less than 7.00 square meters and 3.50 square meters for each additional machine.
(c) Exit – Every projection room shall have at least two doorways separated by not less than onethird the perimeter of the room, each at least 750 millimeters wide and 2.00 meters high. All entrances to
a projection room shall be protected by a self-closing fire assembly having a three-fourths hour fireresistive rating. Such doors shall open outward and lead to proper exits as required in this Code and shall
not be equipped with any latch. The maximum width of such door shall be 750 millimeters.
(d) Ports and Openings – Ports in projection room walls shall be of three kind: projection ports;
observation ports; and combination ports used for both observation and for stereopticon, spot or
(1) Ports Required – There shall be provided for each motion picture projector not more than
one projection port, which shall be limited in an area to 750 square centimeters, and not more than one
observation port, which shall be limited in area to...
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This note was uploaded on 09/22/2013 for the course ARIDBE AR taught by Professor Any during the Fall '12 term at Mapúa Institute of Technology.
- Fall '12